Full Publication List

2025

  • zkPyTorch: A Hierarchical Optimized Compiler for Zero-Knowledge Machine Learning
    Tiancheng Xie, Tao Lu, Zhiyong Fang, Siqi Wang, Zhenfei Zhang, Yongzheng Jia, Dawn Song, Jiaheng Zhang [Paper]
  • GKR for Boolean Circuits with Sub-linear RAM Operations
    Yuncong Hu, Chongrong Li, Zhi Qiu, Tiancheng Xie, Yue Ying, Jiaheng Zhang, Zhenfei Zhang [Paper]

2024

  • Ceno: Non-uniform, Segment and Parallel Zero-knowledge Virtual Machine
    Tianyi Liu, Zhenfei Zhang, Yuncong Zhang, Wenqing Hu, and Ye Zhang
    Journal of Cryptology [Paper] [GitHub]
  • Bandersnatch: a fast elliptic curve built over the BLS12-381 scalar field
    Simon Masson, Antonio Sanso and Zhenfei Zhang
    Designs, Codes and Cryptography [Paper] [GitHub]
  • Jolt-b: recursion friendly Jolt with basefold commitment
    Hang Su, Qi Yang, Zhenfei Zhang [Paper]

2023

  • Chipmunk: Better Synchronized Multi-Signatures from Lattices
    Nils Fleischhacker, Gottfried Herold, Mark Simkin and Zhenfei Zhang
    ACM CCS 2023 [Paper] [GitHub]
  • HyperPlonk: Plonk with Linear-Time Prover and High-Degree Custom Gates
    Binyi Chen, Benedikt Bünz, Dan Boneh and Zhenfei Zhang
    Eurocrypt 2023 [Paper] [GitHub]
  • VERI-ZEXE: Decentralized Private Computation with Universal Setup
    Alex Luoyuan Xiong, Binyi Chen, Zhenfei Zhang, Benedikt Bünz, Ben Fisch, Fernando Krell and Philippe Camacho
    USENIX Security 2023 [Paper] [GitHub]

2022

  • An SVP attack on Vortex
    Zhenfei Zhang [Paper]
  • Squirrel: Efficient Synchronized Multi-Signatures from Lattices
    Nils Fleischhacker, Mark Simkin and Zhenfei Zhang
    ACM CCS 2022 [Paper] [GitHub]
  • Post-Quantum Verifiable Random Function from Symmetric Primitives in PoS Blockchain
    Maxime Buser, Rafael Dowsley, Muhammed F. Esgin, Shabnam Kasra Kermanshahi, Veronika Kuchta, Joseph K. Liu, Raphael Phan, Zhenfei Zhang
    ESORICS 2022 [Paper]

2021

  • Manta: a Plug and Play Private DeFi Stack
    Shumo Chu and Yu Xia and Zhenfei Zhang [IACR ePrint] [GitHub]
    Check out the Manta Project that spined off from this paper.
  • Practical Post-Quantum Few-Time Verifiable Random Function with Applications to Algorand
    Muhammed F. Esgin, Veronika Kuchta, Amin Sakzad, Ron Steinfeld, Zhenfei Zhang, Shifeng Sun, Shumo Chu
    Financial Cryptography 2021 [IACR ePrint] [Source Code]
  • TensorCrypto: High Throughput Acceleration of Lattice-based Cryptography Using Tensor Core on GPU
    Wai-Kong Lee, Hwajeong Seo, Zhenfei Zhang and Seongoun Hwang
    Pre-print [IACR ePrint] [Source Code]
  • Hybrid Dual Attack on LWE with Arbitrary Secrets
    Lei Bi, Xianhui Lu, Junjie Luo, Kunpeng Wang and Zhenfei Zhang
    Pre-print [IACR News] [Estimator]
  • ZEN: Efficient Zero-Knowledge Proofs for Neural Networks
    Boyuan Feng, Lianke Qin, Zhenfei Zhang, Yufei Ding, Shumo Chu
    Pre-print [IACR ePrint] [Source Code]

2020

  • Manta: Privacy Preserving Decentralized Exchange
    Shumo Chu, Qiudong Xia, Zhenfei Zhang
    Pre-print [IACR ePrint] [GitHub]
  • Pointproofs: Aggregating Proofs for Multiple Vector Commitments
    Sergey Gorbunov, Leonid Reyzin, Hoeteck Wee, Zhenfei Zhang
    ACM CCS 2020 [IACR ePrint] [Source Code]
  • MPSign: A Signature from Small-Secret Middle-Product Learning with Errors
    Shi Bai, Dipayan Das, Ryo Hiromasa, Miruna Rosca, Amin Sakzad, Damien Stehle, Ron Steinfeld, Zhenfei Zhang
    PKC 2020 [IACR ePrint] [Source Code]
  • Modular Lattice Signatures, revisited
    Dipayan Das, Jeffrey Hoffstein, Jill Pipher, William Whyte, Zhenfei Zhang
    Design, Codes and Cryptography [IACR ePrint] [Source Code]
    1st round, NIST post-quantum cryptography standardization process
  • BLS Signatures
    Dan Boneh, Sergey Gorbonov, Riad Wahby, Hoeteck Wee, Zhenfei Zhang
    Internet Draft, IETF CFRG Working Group [I-D] [Source Code] [Reference Implementation]

2019

  • Middle-Product Learning with Rounding Problem and its Applications
    Shi Bai, Katharina Boudgoust, Dipayan Das, Adeline Roux-Langlois, Weiqiang Wen, Zhenfei Zhang
    Asiacrypt 2019 [IACR ePrint]
  • Efficient Lattice-Based Zero-Knowledge Arguments with Standard Soundness: Construction and Applications
    Rupeng Yang, Man Ho Au, Zhenfei Zhang, Qiuliang Xu, Zuoxia Yu, William Whyte
    Crypto 2019 [IACR ePrint]
  • (Linkable) Ring Signature from Hash-Then-One-Way Signature
    Xingye Lu, Man Ho Au, Zhenfei Zhang
    TrustCom 2019 [IACR ePrint]
  • Ring Signatures based on Middle-Product Learning with Errors Problems
    Dipayan Das, Man Ho Au, Zhenfei Zhang
    Africacrypt 2019
  • Raptor: A Practical Lattice-Based (Linkable) Ring Signature
    Xingye Lu, Man Ho Au, Zhenfei Zhang
    ACNS 2019 [IACR ePrint] [Source Code]
  • Round5: Compact and Fast Post-Quantum Public-Key Encryption
    Hayo Baan, Sauvik Bhattacharya, Scott Fluhrer, Oscar Garcia-Morchon, Thijs Laarhoven, Ronald Rietman, Markku-Juhani O. Saarinen, Ludo Tolhuizen, Zhenfei Zhang
    PQCrypto 2019 [IACR ePrint] [Website]
    2nd round, NIST post-quantum cryptography standardization process
  • Cryptanalysis of an NTRU-based Proxy Encryption Scheme from ASIACCS'15
    Zhen Liu, Yanbin Pan, Zhenfei Zhang
    PQCrypto 2019 [IACR ePrint]

2018

  • LAC: Practical Ring-LWE Based Public-Key Encryption with Byte-Level Modulus
    Xianhui Lu, Yamin Liu, Zhenfei Zhang, Dingding Jia, Haiyang Xue, Jingnan He, Bao Li [IACR ePrint] [Source Code]
    2nd round, NIST post-quantum cryptography standardization process
  • Shorter Messages and Faster Post-Quantum Encryption with Round5 on Cortex M
    Markku-Juhani O. Saarinen, Sauvik Bhattacharya, Oscar Garcia-Morchon, Ronald Rietman, Ludo Tolhuizen, Zhenfei Zhang
    Cardis 2018 [IACR ePrint]
  • On the Hardness of the Computational Ring-LWR Problem and its Applications
    Long Chen, Zhenfeng Zhang, Zhenfei Zhang
    Asiacrypt 2018 [IACR ePrint]
  • A signature scheme from the finite field isomorphism problem
    Jeffrey Hoffstein, Joseph H. Silverman, William Whyte, Zhenfei Zhang
    MathCrypt 2018 [IACR ePrint] [Journal Version]
  • Practical Signatures from the Partial Fourier Recovery Problem Revisited: A Provably-Secure and Gaussian-Distributed Construction
    Xingye Lu, Zhenfei Zhang, Man Ho Au
    ACISP 2018
  • Optimizing polynomial convolution for NTRUEncrypt
    Wei Dai, William Whyte, Zhenfei Zhang
    IEEE Transaction on Computers [IACR ePrint] [Source Code]
  • Fully Homomorphic Encryption from the Finite Field Isomorphism Problem
    Yarkin Doröz, Jeffrey Hoffstein, Jill Pipher, Joseph H. Silverman, Berk Sunar, William Whyte, Zhenfei Zhang
    PKC 2018 [IACR ePrint]

2017 and Earlier

  • Choosing parameters for NTRUEncrypt
    Jeffrey Hoffstein, Jill Pipher, John M. Schanck, Joseph H. Silverman, William Whyte, Zhenfei Zhang
    CT-RSA 2017 [IACR ePrint]
  • Round2: KEM and PKE based on GLWR
    Hayo Baan, Sauvik Bhattacharya, Óscar García-Morchón, Ronald Rietman, Ludo Tolhuizen, Jose Luis Torre-Arce, Zhenfei Zhang
    NIST PQC submission [IACR ePrint]
  • A signature scheme from Learning with Truncation
    Jeffrey Hoffstein, Jill Pipher, William Whyte, Zhenfei Zhang [IACR ePrint]
  • Anonymous Announcement System (AAS) for Electric Vehicle in VANETs
    Man Ho Au, Joseph K. Liu, Zhenfei Zhang, Willy Susilo, Jin Li
    The Computer Journal
  • Circuit-extension handshakes for Tor achieving forward secrecy in a quantum world
    John M. Schanck, William Whyte, Zhenfei Zhang
    PoPETs 2016 [IACR ePrint] [Source Code]
  • NTRU modular lattice signature scheme on CUDA GPUs
    Wei Dai, Berk Sunar, John M. Schanck, William Whyte, Zhenfei Zhang
    HPCS 2016 [IACR ePrint]
  • LLL for ideal lattices: re-evaluation of the security of Gentry-Halevi's FHE scheme
    Thomas Plantard, Willy Susilo, Zhenfei Zhang
    Design, Codes and Cryptography
  • DA-Encrypt: Homomorphic Encryption via Non-Archimedean Diophantine Approximation
    Jeffrey Hoffstein, Jill Pipher, John M. Schanck, Joseph H. Silverman, William Whyte, Zhenfei Zhang [IACR ePrint]
  • Fully Homomorphic Encryption Using Hidden Ideal Lattice
    Thomas Plantard, Willy Susilo, Zhenfei Zhang
    IEEE Transaction on Information Forensics and Security
  • Adaptive Precision Floating Point LLL
    Thomas Plantard, Willy Susilo, Zhenfei Zhang
    ACISP 2013
  • On the CCA-1 Security of Somewhat Homomorphic Encryption over the Integers
    Zhenfei Zhang, Thomas Plantard, Willy Susilo
    ISPEC 2012
  • Lattice Reduction for Modular Knapsack
    Thomas Plantard, Willy Susilo, Zhenfei Zhang
    SAC 2012
  • Reaction Attack on Outsourced Computing with Fully Homomorphic Encryption Schemes
    Zhenfei Zhang, Thomas Plantard, Willy Susilo
    ICISC 2011